AdWords Analytics Drupal - just like publish to FB - publish to a CMS solution Enhance Box integration - not just grab a resource, but let the resource live there
the ability to use Marketo progressive profiling form, to be able to automatically populate answers into Marketo, to base survey logic on past behaviour or demographics...
I noticed SurveyMonkey popping up regularly, I'm curious to know what you'd like that integration to do. I'm guessing a "send to Marketo" integration where a new lead is created and processed?
Marketo to Microsoft Lync Marketo to Survey Monkey (launching a large IT survey today, actually) Marketo to iLinc Meetings (aka BroadCloud) Marketo to Google Analytics